In terms of precipitation, rainfall in Trenton, New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Trenton, New Jersey when rainfall is around 2.9 in.

If weather is an important factor for your trip to Trenton, New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from ON to TTN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Trenton, New Jersey as you normally would.

What airport do you fly into for flights to Trenton from Ontario?

Most people fly into Trenton-Mercer (TTN) if they book a flight to Trenton from Ontario. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

Can I find deals for flights from Ontario to Trenton that include hotel bookings?

Yes. In addition to deals on Ontario to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Trenton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trenton.

Can I find deals for business class flights from Ontario to Trenton?

Yes. Cheapflights offers flight deals from Ontario to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$229+ Flights from Ontario to Trenton, NJ

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Cheap flight deals from Ontario to Trenton

Cheapest flights from Ontario to Trenton
Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Fri 12/267:10 amYYZ - TTN

1 stop13h 16mMultiple Airlines

Mon 12/296:10 amTTN - YYZ

1 stop8h 10mMultiple Airlines

Deal found 12/14

$845

Best flights from Ontario to Trenton
Discover carefully curated flight deals from Ontario to Trenton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 1/157:10 amYYZ - TTN

1 stop16h 29mMultiple Airlines

Sun 1/189:59 pmTTN - YYZ

1 stop16h 21mMultiple Airlines

Deal found 12/16

$229

Fri 1/167:10 amYYZ - TTN

1 stop16h 29mMultiple Airlines

Sun 1/189:59 pmTTN - YYZ

1 stop16h 21mMultiple Airlines

Deal found 12/17

$247

Sat 1/317:15 amYYZ - TTN

1 stop12h 09mMultiple Airlines

Sat 2/712:04 pmTTN - YYZ

1 stop12h 10mMultiple Airlines

Deal found 12/17

$330

Last-minute flights from Ontario to Trenton
Discover last-minute flight deals from Ontario to Trenton. Data last updated December 18, 2025 and is based on user searches.

Fri 12/267:10 amYYZ - TTN

1 stop13h 16mMultiple Airlines

Mon 12/296:10 amTTN - YYZ

1 stop8h 10mMultiple Airlines

Deal found 12/14

$845

Thu 1/157:10 amYYZ - TTN

1 stop16h 29mMultiple Airlines

Sun 1/189:59 pmTTN - YYZ

1 stop16h 21mMultiple Airlines

Deal found 12/16

$229

Fri 1/167:10 amYYZ - TTN

1 stop16h 29mMultiple Airlines

Sun 1/189:59 pmTTN - YYZ

1 stop16h 21mMultiple Airlines

Deal found 12/17

$247

Sat 1/317:15 amYYZ - TTN

1 stop12h 09mMultiple Airlines

Sat 2/712:04 pmTTN - YYZ

1 stop12h 10mMultiple Airlines

Deal found 12/17

$330

One-way flights from Ontario to Trenton
Search for one-way flight options from Ontario to Trenton. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 2/218:20 pmYYZ - TTN

2 stops22h 05mMultiple Airlines

Deal found 12/17

$243

Find flight deals from Ontario to Trenton

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$229 (Lucky2Go)
Popular in	December
Cheapest in	May
Average price	$271

Provider with most accurate pricing for Toronto (YTO)-New York (NYC) flight deals.

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Provider most trusted by Cheapflights users for Toronto (YTO)-New York (NYC) flights.

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From Ontario to Trenton-Mercer

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Thu 1/15

7:10 am-11:39 pm

1 stop16h 29m

Trenton-Mercer

Sun 1/18

9:59 pm-2:20 pm

1 stop16h 21m

$229

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Fri 1/16

7:10 am-11:39 pm

1 stop16h 29m

Trenton-Mercer

Sun 1/18

9:59 pm-2:20 pm

1 stop16h 21m

$247

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Sat 1/31

7:15 am-7:24 pm

1 stop12h 09m

Trenton-Mercer

Sat 2/7

12:04 pm-12:14 am

1 stop12h 10m

$330

TorontoTrenton

YYZ - TTN

YYZTTN

Toronto Pearson Intl

Sat 2/21

8:20 pm-6:25 pm

2 stops22h 05m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Ontario to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Trenton

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Trenton, New Jersey (average of $83). Flying from Region of Ontario to Trenton, New Jersey in December is currently the most expensive (average of $176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Trenton from Ontario?
Most people fly into Trenton-Mercer (TTN) if they book a flight to Trenton from Ontario. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.
Can I find deals for flights from Ontario to Trenton that include hotel bookings?
Yes. In addition to deals on Ontario to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Trenton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trenton.
Can I find deals for business class flights from Ontario to Trenton?
Yes. Cheapflights offers flight deals from Ontario to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?
Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Trenton, New Jersey (average of $83). Flying from Region of Ontario to Trenton, New Jersey in December is currently the most expensive (average of $176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$229+ Cheap flights from Ontario to Trenton, NJ (TTN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Trenton with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Ontario to Trenton

Cheapest flights from Ontario to TrentonExplore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Ontario to Trenton

Keep the following information in mind while searching for Ontario to Trenton flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Ontario to Trenton that are best for you.

Best time to book a flight from Ontario to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Trenton

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Trenton from Ontario?

Can I find deals for flights from Ontario to Trenton that include hotel bookings?

How can I find direct flights from Ontario to Trenton?

Can I find deals for business class flights from Ontario to Trenton?

What is the cheapest month to book a flight from Region of Ontario to Trenton, New Jersey?

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Cheapest flights from Ontario to Trenton
Explore the most affordable flight options available from Ontario to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.